<div class="container-fluid">
  <div class="top">
    <span>欢迎你，{{user_name}}</span>
    <button type="button" class="btn btn-outline-dark, loginOut" (click)="loginOut()">登出</button>
  </div>

  <div class="row">
    <app-stu-details class="col-12" style="padding-top: 5px;"></app-stu-details>
  </div>
</div>
